Andrew Fielding Huxley is an English physiologist whose research on nerve impulse transmission earned him the 1963 Nobel Prize for medicine and physiology, which he shared with his colleague Alan Lloyd Hodgkin and the Australian physiologist John Carew Eccles. Huxley and Hodgkin confirmed scientists' earlier discovery that nerve impulse transmission involves a momentary change in the nerve fiber's membrane, affecting the ability of particles to pass through it.

Huxley was born in London, England, to a prominent and successful family. His grandfather was the nineteenth-century biologist Thomas Henry Huxley. Julian Sorel Huxley, also a noted biologist, was Andrew's half-brother, as was the author Aldous Huxley. Andrew's father, Leonard, was also a writer. His mother was Rosalind (Bruce) Huxley. Huxley was educated at Trinity College, Cambridge, where he received his B.A. in 1938, and his M.A. in 1941. He began studying the physical sciences but switched to physiology in his...